:root{--ant:#22303C;--dark:#1a2530;--aqua:#2BB3C0;--daqua:#1B7F9E;--smoke:#F4F6F8;--graf:#5E6973;--chrome:#C7CDD4;--gold:#C9A24B;--line:#E3E8EC;}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--ant);background:#fff}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.btn{display:inline-block;padding:13px 28px;border-radius:40px;font-weight:600;font-size:14px;text-decoration:none;letter-spacing:.4px;transition:.25s}
.btn-aqua{background:var(--aqua);color:#fff}
.btn-aqua:hover{background:var(--daqua);transform:translateY(-2px)}
.btn-ghost{border:2px solid var(--chrome);color:#fff}
.btn-ghost:hover{border-color:var(--aqua);color:var(--aqua)}
.btn-dark{background:var(--ant);color:#fff}
.btn-dark:hover{background:var(--dark)}

/* NAV */
nav{position:sticky;top:0;z-index:50;background:rgba(26,37,48,.95);backdrop-filter:blur(10px)}
nav .wrap{display:flex;align-items:center;gap:28px;height:74px}
nav .brand{font-family:'Montserrat';font-weight:800;font-size:19px;letter-spacing:3px;color:#fff;text-decoration:none;display:flex;align-items:center;gap:11px}
nav .brand img{height:40px}
nav ul{display:flex;gap:4px;list-style:none;margin-left:auto;align-items:center}
nav ul>li{position:relative}
nav ul a{display:block;color:var(--chrome);text-decoration:none;font-size:13.5px;font-weight:500;letter-spacing:.4px;padding:10px 13px;border-radius:8px}
nav ul a:hover,nav ul a.on{color:var(--aqua)}
nav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.18);min-width:230px;padding:8px;list-style:none}
nav li:hover .sub{display:block}
nav .sub a{color:var(--ant);font-weight:500;border-radius:8px;padding:10px 14px}
nav .sub a:hover{background:var(--smoke);color:var(--daqua)}
nav .cta{background:var(--aqua);color:#fff!important;padding:10px 22px;border-radius:30px;font-size:13px;font-weight:600;margin-left:8px}
nav .cta:hover{background:var(--daqua)}

/* PAGE HERO (inner pages) */
.phero{background:linear-gradient(155deg,var(--dark) 0%,var(--ant) 60%,#14506b 140%);color:#fff;padding:58px 0 50px}
.phero .crumb{font-size:12.5px;color:var(--chrome);letter-spacing:1px;margin-bottom:14px}
.phero .crumb a{color:var(--aqua);text-decoration:none}
.phero h1{font-size:38px;font-weight:800;letter-spacing:.5px}
.phero p{color:#aebac4;font-size:15.5px;margin-top:12px;max-width:640px;line-height:1.75}

/* SECTIONS */
section{padding:72px 0}
section.tight{padding:48px 0}
.sec-k{color:var(--daqua);font-size:12.5px;letter-spacing:4px;font-weight:600;text-transform:uppercase}
.sec-h{font-size:32px;font-weight:800;margin:10px 0 14px}
.sec-p{color:var(--graf);font-size:15px;line-height:1.8;max-width:660px}
.bg-smoke{background:var(--smoke)}

/* GRIDS & CARDS */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.g6{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;transition:.3s;text-decoration:none;color:var(--ant);display:block}
.card:hover{box-shadow:0 18px 44px rgba(34,48,60,.14);transform:translateY(-6px)}
.card .im{background:#fff;height:230px;display:flex;align-items:center;justify-content:center;padding:20px;border-bottom:1px solid #EFF2F4}
.card .im img{max-height:100%;object-fit:contain}
.card .bd{padding:20px 22px 24px}
.card h3,.card h4{font-size:16px;letter-spacing:1px}
.card p{color:var(--graf);font-size:13px;margin-top:6px;line-height:1.65}
.card .more{display:inline-block;margin-top:12px;color:var(--daqua);font-size:13px;font-weight:600}
.tag{display:inline-block;background:var(--smoke);border:1px solid var(--line);color:var(--ant);border-radius:16px;font-size:11px;font-weight:600;padding:4px 11px;margin:10px 6px 0 0}
.tag.gold{background:#faf3e2;border-color:#e7d4a4;color:#8a6d2a}
.tag.black{background:#2b2f33;border-color:#2b2f33;color:#fff}
.tag.aqua{background:#e7f6f8;border-color:#b5e2e8;color:var(--daqua)}

/* STATS BAND */
.band{background:var(--aqua);color:#fff}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 24px;text-align:center}
.band b{font-family:'Montserrat';font-size:23px;display:block}
.band span{font-size:12px;letter-spacing:1px;opacity:.92}

/* SERIES CARDS */
.scard{border-radius:20px;padding:32px 28px;color:#fff;position:relative;transition:.3s}
.scard:hover{transform:translateY(-8px)}
.scard.pro{background:linear-gradient(155deg,#22303C,#3a4d5e)}
.scard.core{background:linear-gradient(155deg,#1B7F9E,#2BB3C0)}
.scard.eco{background:linear-gradient(155deg,#5E6973,#8a949e)}
.scard .badge{position:absolute;top:20px;right:20px;font-size:10px;font-weight:700;letter-spacing:1.5px;padding:6px 13px;border-radius:20px;background:rgba(255,255,255,.18)}
.scard.pro .badge{background:var(--gold)}
.scard h3{font-size:24px;letter-spacing:3px;font-weight:800}
.scard .sub{font-size:11px;letter-spacing:2px;opacity:.75;margin:4px 0 18px}
.scard ul{list-style:none;font-size:13px;line-height:2.05}
.scard ul li::before{content:"—  ";opacity:.6}
.scard .gar{margin-top:16px;font-family:'Montserrat';font-weight:800;font-size:14px;border-top:1px solid rgba(255,255,255,.25);padding-top:13px}

/* TABLES */
table.spec{width:100%;border-collapse:collapse;font-size:13.5px;margin:16px 0}
table.spec th{background:var(--ant);color:#fff;text-align:left;padding:10px 12px;font-weight:600;letter-spacing:.3px}
table.spec td{padding:9px 12px;border-bottom:1px solid var(--line)}
table.spec tr:nth-child(even) td{background:var(--smoke)}

/* NOTES */
.note{background:#EAF7F8;border-left:4px solid var(--aqua);padding:12px 16px;font-size:13px;color:var(--daqua);border-radius:0 8px 8px 0;margin:14px 0}
.ph{background:var(--smoke);border:2px dashed var(--chrome);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--graf);font-size:12px;letter-spacing:1px;text-align:center;padding:14px}

/* OEM BAND */
.oem{background:linear-gradient(155deg,var(--dark),var(--ant) 70%,#14506b 140%);color:#fff;text-align:center}
.oem h2{font-size:30px;font-weight:800;max-width:720px;margin:0 auto 16px}
.oem p{color:#aebac4;max-width:640px;margin:0 auto 30px;line-height:1.8;font-size:15px}

/* FORM */
form.rfq{background:var(--smoke);border-radius:20px;padding:32px}
form.rfq input,form.rfq textarea,form.rfq select{width:100%;border:1px solid #dfe5e9;border-radius:12px;padding:13px 16px;font-family:'Inter';font-size:14px;margin-bottom:14px;background:#fff}
form.rfq textarea{height:110px;resize:vertical}
form.rfq button{width:100%;background:var(--aqua);color:#fff;border:none;border-radius:40px;padding:15px;font-weight:700;font-size:14.5px;cursor:pointer;letter-spacing:.5px}
form.rfq button:hover{background:var(--daqua)}

/* FOOTER */
footer{background:var(--dark);color:var(--chrome);padding:56px 0 0}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
footer h4{color:#fff;font-size:14px;letter-spacing:1.5px;margin-bottom:16px}
footer a{color:var(--chrome);text-decoration:none;font-size:13.5px;display:block;margin:8px 0}
footer a:hover{color:var(--aqua)}
footer p{font-size:13px;line-height:1.8}
footer .bar{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.wa{position:fixed;right:26px;bottom:26px;background:#25D366;color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;text-decoration:none;box-shadow:0 8px 26px rgba(0,0,0,.3);z-index:60}

@media(max-width:980px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .g6{grid-template-columns:repeat(2,1fr)}
  .band .wrap{grid-template-columns:repeat(2,1fr)}
  nav ul{display:none}
  footer .cols{grid-template-columns:1fr 1fr}
  .phero h1{font-size:28px}
  .sec-h{font-size:26px}
}